bloody knife
Skip itPrices mostly outside the sweet spot ($7.17–$12.33) — this niche doesn't clear our bar today.
Review moat
Great285.71avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good73%top-5 brand share — brands hold most of the demand
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Avg price
Okay$8.92avg listing price — sweet spot $15–$100
Competition
Bad73%top-5 click share — a locked-up shelf
Returns
Bad6.1%return rate — above 5% kills the launch gate
Growth
Bad-13.0%90-day search growth — must beat 0% to launch
Market size
Bad$23K$23K/yr · 83K searches
Price range
Bad$7.17–$12.33cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, bloody knife is a $23K/yr Amazon United States market (83K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 30/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
bloody knife market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $45K–$54K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #1,502
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 16.6%
- Avg brand age
- 51 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
14 falling
Sellers
43
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
20%
- EPDPLAY22%
- Molain18%
- MyersCostume14%
- Fun World10%
- SYFDXD9%
- 4E's Novelty7%
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — -13.0% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 63.1×
Top bloody knife search terms
- bloody knife29K/yr
- fake bloody knife19K/yr
- bloody knife prop13K/yr
- fake knife with blood9K/yr
- fake blood knife5K/yr
- halloween bloody knife4K/yr
- bloody knife halloween prop4K/yr
Top bloody knife products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
EPDPLAY Nightmare Prop Knife - Halloween Realistic Scream Blade Kills Butcher Prank Props Costume Fake Knife Accessories for Horror Party Role Playing
EPDPLAY$10.934.7★8 rev
Molain Cosplay Fake Knife - 12inches Bloody Prop Halloween Fancy Dress Accessory
Molain$7.174.5★96 rev
MyersCostume 2Pcs Halloween Knife Jumbo Plastic Bloody Butcher Knife Halloween Butcher Prop Metallic
MyersCostume$8.344.1★103 rev
FunWorld Scream Bloody Blade Black One Size
Fun World$7.194.4★650 rev
SYFDXD 2 Pcs Halloween Prop Knife 12 Inch Plastic Bloody Fake Knife Classic Horror Prank Props for Scary Party Cosplay
SYFDXD$7.324.7★26 rev
Newest
by launch date
Nightmare Knife Scream Blade - Halloween Realistic Prop Knife Bloody Butcher Kills Prank Props Costume Fake Knife Accessories for Horror Party Role Playing Red
MOODUUTY$12.331 rev
EPDPLAY Nightmare Prop Knife - Halloween Realistic Scream Blade Kills Butcher Prank Props Costume Fake Knife Accessories for Horror Party Role Playing
EPDPLAY$10.938 rev
DERAYEE 2PCS Halloween Knife Prop 12 Inch Plastic Fake Knives Classic Horror Props for Scary Halloween Party Cosplay Haunted House Prank Decor
DERAYEE$9.7624 rev
Btanadi Fake Knife with Fake Blood Props for Halloween Cosplay Costume Accessories and Makeup Parties
Btanadi$7.6357 rev
SYFDXD 2 Pcs Halloween Prop Knife 12 Inch Plastic Bloody Fake Knife Classic Horror Prank Props for Scary Party Cosplay
SYFDXD$7.3226 rev
Trending
90-day click momentumNightmare Knife Scream Blade - Halloween Realistic Prop Knife Bloody Butcher Kills Prank Props Costume Fake Knife Accessories for Horror Party Role Playing Red
MOODUUTY$12.334.0★
EPDPLAY Nightmare Prop Knife - Halloween Realistic Scream Blade Kills Butcher Prank Props Costume Fake Knife Accessories for Horror Party Role Playing
EPDPLAY$10.934.7★
DERAYEE 2PCS Halloween Knife Prop 12 Inch Plastic Fake Knives Classic Horror Props for Scary Halloween Party Cosplay Haunted House Prank Decor
DERAYEE$9.764.5★
SYFDXD 2 Pcs Halloween Prop Knife 12 Inch Plastic Bloody Fake Knife Classic Horror Prank Props for Scary Party Cosplay
SYFDXD$7.324.7★
MyersCostume 2Pcs Halloween Knife Jumbo Plastic Bloody Butcher Knife Halloween Butcher Prop Metallic
MyersCostume$8.344.1★
What buyers say about bloody knife
What buyers praise and complain about, mined from review topics.What buyers love
“It was also very lightweight”
“Just as described/pictured”
“Really liked the design”
“Its pretty sturdy”
“a realistic size”
“Great price”
“Good product”
What buyers complain about
“all the blood leaked out”
“Too flimsy”
“it broke super easy before we could even use it so was basically a waste”
“on the large size”
Top return reasons
Common questions
- Is bloody knife profitable to sell on Amazon United States?
- The niche generates $23K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.0%. Flapen's verdict: Skip it (30/100).
- How competitive is the bloody knife niche?
- 14 brands and 43 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in bloody knife?
- Top complaints mined from reviews: Leak-Proof, Strength, Durability. The return rate is 6.1% — above our launch gate.
- When does demand for bloody knife peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 63.1× the quietest.
- What does it cost to enter the bloody knife niche?
- Listings span $7.17–$12.33; the average listing price is $8.92 (sweet spot $15–$100). The average incumbent carries 286 reviews — the moat a new listing must climb.